<?php // $Id: index.php,v 1.38.2.2 2008/03/26 03:00:42 scyrma Exp $

	require_once("../config.php");
	require_once($CFG->libdir.'/adminlib.php');

	$choose = optional_param("choose",'',PARAM_FILE);   // set this theme as default

	admin_externalpage_setup('themeselector');

	unset($SESSION->theme);

	$stradministration = get_string("administration");
	$strconfiguration = get_string("configuration");
	$strthemes = get_string("themes");
	$strpreview = get_string("preview");
	$strchoose = get_string("choose");
	$strinfo = get_string("info");
	$strtheme = get_string("theme");
	$strthemesaved = get_string("themesaved");
	$strscreenshot = get_string("screenshot");
	$stroldtheme = get_string("oldtheme");


	if ($choose and confirm_sesskey()) {
		if (!is_dir($CFG->themedir .'/'. $choose)) {
			error("This theme is not installed!");
		}
		if (set_config("theme", $choose)) {
			theme_setup($choose);
			admin_externalpage_print_header();
			print_heading(get_string("themesaved"));

			if (file_exists("$choose/README.html")) {
				print_simple_box_start("center");
				readfile("$choose/README.html");
				print_simple_box_end();

			} else if (file_exists("$choose/README.txt")) {
				print_simple_box_start("center");
				$file = file("$choose/README.txt");
				echo format_text(implode('', $file), FORMAT_MOODLE);
				print_simple_box_end();
			}
			
			print_continue("$CFG->wwwroot/");
			
			admin_externalpage_print_footer();
			exit;
		} else {
			error("Could not set the theme!");
		}
	}

	admin_externalpage_print_header('themeselector');


	print_heading($strthemes);

	$themes = get_list_of_plugins("theme");
	$sesskey = !empty($USER->id) ? $USER->sesskey : '';

	echo "<table style=\"margin-left:auto;margin-right:auto;\" cellpadding=\"7\" cellspacing=\"5\">\n";

	if (!$USER->screenreader) {
		echo "\t<tr class=\"generaltableheader\">\n\t\t<th scope=\"col\">$strtheme</th>\n";
		echo "\t\t<th scope=\"col\">$strinfo</th>\n\t</tr>\n";
	}

	$original_theme = fullclone($THEME);

	foreach ($themes as $theme) {

		unset($THEME);

		if (!file_exists($CFG->themedir.'/'.$theme.'/config.php')) {   // bad folder
			continue;
		}

		include($CFG->themedir.'/'.$theme.'/config.php');

		$readme = '';
		$screenshot = '';
		$screenshotpath = '';

		if (file_exists("$theme/README.html")) {
			$readme =  "\t\t\t\t<li>".
			link_to_popup_window($CFG->themewww .'/'. $theme .'/README.html', $theme, $strinfo, 400, 500, '', 'none', true)."</li>\n";
		} else if (file_exists("$theme/README.txt")) {
			$readme =  "\t\t\t\t<li>".
			link_to_popup_window($CFG->themewww .'/'. $theme .'/README.txt', $theme, $strinfo, 400, 500, '', 'none', true)."</li>\n";
		}
		if (file_exists("$theme/screenshot.png")) {
			$screenshotpath = "$theme/screenshot.png";
		} else if (file_exists("$theme/screenshot.jpg")) {
			$screenshotpath = "$theme/screenshot.jpg";
		}

		echo "\t<tr>\n";

		// no point showing this if user is using screen reader
		if (!$USER->screenreader) {
			echo "\t\t<td align=\"center\">\n";
			if ($screenshotpath) {
				$screenshot = "\t\t\t\t<li><a href=\"$theme/screenshot.jpg\">$strscreenshot</a></li>\n";
				echo "\t\t\t<object type=\"text/html\" data=\"$screenshotpath\" height=\"200\" width=\"400\">$theme</object>\n\t\t</td>\n";
			} else {
				echo "\t\t\t<object type=\"text/html\" data=\"preview.php?preview=$theme\" height=\"200\" width=\"400\">$theme</object>\n\t\t</td>\n";
			}
		}

		if ($CFG->theme == $theme) {
			echo "\t\t" . '<td valign="top" style="border-style:solid; border-width:1px; border-color:#555555">'."\n";
		} else {
			echo "\t\t" . '<td valign="top">'."\n";
		}

		if (isset($THEME->sheets)) {
			echo "\t\t\t" . '<p style="font-size:1.5em;font-weight:bold;">'.$theme.'</p>'."\n";
		} else {
			echo "\t\t\t" . '<p style="font-size:1.5em;font-weight:bold;color:red;">'.$theme.' (Moodle 1.4)</p>'."\n";
		}

		if ($screenshot or $readme) {
			echo "\t\t\t<ul>\n";
			if (!$USER->screenreader) {
				echo "\t\t\t\t<li><a href=\"preview.php?preview=$theme\">$strpreview</a></li>\n";
			}
			echo $screenshot.$readme;
			echo "\t\t\t</ul>\n";
		}

		$options = null;
		$options['choose'] = $theme;
		$options['sesskey'] = $sesskey;
		echo "\t\t\t" . print_single_button('index.php', $options, $strchoose, 'get', null, true) . "\n";
		echo "\t\t</td>\n";
		echo "\t</tr>\n";
	}
	echo "</table>\n";

	$THEME = $original_theme;

	admin_externalpage_print_footer();
?>
